Windshield wiper



' A. J. BOURGEOIS y wINDsHIELD wIPER Filed May 2:9, 1926 2 Sheets-Sheet2 y zutorfley E I. BOUB/GEGXS, F FLL RIVER, MSACHUSETTE.

y WINDSEIELD XTER.

implication tiled lay 29, 1923. Serial No, 'iz?.

The present invention eppertains to window cleaning devices and moreparticularly to' a device for cleaning windshields oi motor vehicles.

One of the important objects of the present invention yis to rovide animproved Windshield wiper which may 'be operated automatically throughmeans of suitable driving connections between a, running or operatingpa'rt of the vehicle, and a mechamsm carried hy the 'windshield forcontrolling the operationot a. wiper or squeegee.

Anotherobject of the present invention is to providevan exceedinglysimple, practical, reliable and inexpensive construction.

lVith these and other objects in view es will he rendered manifest inthe following specification to those skilled in the crt, the

' invention consists in the whole, construction,

and in the details o the combination as morefully described hereinafterrelative to theform 'of the invention illustrated in the accompanyingdrawings, in which I Figure lV is a front elevationof e windshieldshowing my im roved windshield wier associated therewit v i ig, 2 is avertical section token there- I thru substantially on the line 2-2 ofFig. 1,

'tiaflly on theline 4:-4 of Fig. 3

"'ig. die e perspective-'view of the carriage. n block,

`ventional construction or any other looking in the direction of thearrow Fig. 3 is c detail vertical section taiien on the line 3-3 of Fig.1, Fig, i isa detail section taken substan- Fig. is n perspective viewor' the plete,

and f Fig. 7 is an end elevation of 'the follower. Referringto thedrawing in detail, it will beeeen' that en ordinary windshield of oon--ferred construction has heen illustrate in the drawing; A casing C ismounted edjaf cent the u per edge of the windshield and consists o epreferably one niece constmc-I tion including a top 5, o verticallydisposed rear lote 6, a *vertically disposed frontplate the lower end ofwhich merges into an arcuate curved portion 8, which 1n turn merges intoa. front portion dover which extends the lower edge of the heck 6, so asto l leave a space therebetween.

End members E are mounted on the ends of the casino,` C and consist ofcap portions l() fitting over the cesings, e worm gear@ housing il, andn hearing' l A hrsclrct l2 are cnt therein.

is formedrintegrnlly with each piece E so that the reusing.' and endpieces may' mounted on the windshield hy use ot snitV able elements 14such as the screws shown in Fig; 4.

"A depending tubular housing l5 is prorjfded on the end .piece for thepurpose of housing a spiral naar 1d and e shaft 17 therefor, in order'that connection may he @5 made with a flexible shaft lending' from esuiteblepert of the automobile, in any preferred manner. A worm shaft 18extends longitudinally through the casings havincr its ends reduced andjournaled in the en pieces "E, this worm shei't 18 having e ri ht handedspiral groove and n left hen ed spiral `egroove for yassociation with efollower 19.

Thus I provide means for converging roi@ tary motion into rectilinearand reciproceting motion.7 The shaft 18 is in the torni or the wellknown drill stock and the grooves The Jfollower follows one of thegrooves to he moved in one direction and then `the other groove in theother di rection. The shaft i8 itself, is journaled in the arcuatecurved bottom portion 8 of the casing 'C and is therefore supportedthroughout its length sons to prevent hration, which is so'esscntial tothe practical l' operation of a device of. this nature. l The follower19 has a shank Q0 which is rotatable in the here 21 of the carriagehlochr- 22 provides e senil-cylindrical recess- Q3 for resting' on theshaft i8. The upper portion of the carriage bloclr Q2 is enlorg'ed'etone i side to rovide ye hearing shoulder Q4 edeptf ed to slide on theupper portion ofthe lower rear portion 9. A recess 25 is provided in-the upper surface or' the carriage block and centrally located thereinis an upwardly projected axle 26 on which is rotatably mounted enanti-friction wheel 27. y

A' plate 2S is attached to the enlarged .upper portion of the carriageblock 22 and ex tends downwardly through the space provided 'with theportions 6 and 9, and has an vernia 29 fixed thereto in anysuitahlofmanner.

threaded throng; the erm Q8 for engaging 5i the shank 30 soA that thesqueegee 33 may forced toward the windshield, time corrigeert# '22,- Thebottom foce of the carriage hloclr 90 sating for the rubber strip ofsaid squeegee as it wears.

A spiral gear is provided on one end of the shaft 28 in one oi the endpieces 13 and meshes with the spiral gear 16 t'or transmitting therotary motion 'trom shaft 17 to shaft 18.

.lt is thought that the eonstruction,.opera tion, utility, andadvantages of this invention Will now b e clearly understood by thoseskilled in this art without a more detailed description thereof. lt isdesired, however, to point out that the device is highly practical,simple in its construction, compact, convenient, possesses the advantageof ease of assembly and disassembly, access :for the purpose oflubrication, practically eliminates all vibration, and is otherwise Welladapted to the purpose for which it is designed.

The present embodiment ot the invention has been disclosed in detailmerely by way ot example, since in actual practice, it attains thefeatures-of advantage enumerated as desirable in the statement ot theinvention, and the above description. 1t will be apparent that numerouschanges in the details of construction` and in the combination andarrangement of parts may be resorted to without departing' from thespirit or scope of the invention as hereinafter claimed. or sacriiicingany of its advantages.

Having thus described my invention, what l claim as new is 1. A deviceof the class described including an elongated casing`r having` a semi-cylindrical body portion, a shaft lionrnaled in the semi-cylindrical bodyportion and supported substantially throughout its length therein, eachmeans for driving the shaft, a carriage block mounted for rectilinearmotion in the casing, said shaft aii'ords excellent provided withLeraar-i7 lett handed and a right handed groove, a follower mounted inthe carriage and associated with the grooves for translating the rotarymotion of the shaft into rectilinear reeiprocatory motion of thecarriage, and means for attaching a windshield Wiperto the carriage 2. Adevice of: the class`described includ' ing, in combination, a casing,removable end pieces on the casing, a shaft )our/naled in the casing,and having extensions journaled in lthe end pieces,` means for rotatingthe shaft,

the bottom ot' the easing being arcuate to 'form a bearing for the fulllength of the shaft within the casing, said shaft provided with a righthande-d and a left handed groove, a follower associated with thetgroove, a carriage slidable in the easing and having an arcuate bottomportion, a bearingl on the shaft, and windshield wiping` meansassociated with the carriage.

5:3. A device ot the class described including, in combination, acasing, removable end pieces on the casing', a shaft journaled in thecasing. and having extensions journaled in the end pieces, means forrotating the shaft, the bottom oi: the casing beine' arcuate to iorni abearing;l i'or the full length ot the shaft within the easing, saidshaft provided 'with a right handed and a left handed Aeroove, afollower--associated with the groove, a carriage slidable in the casingand having an arcuate bottom portion, a bearing on the shaft. windshieldwiping means associated with the carriage, the upper sarl of thecarriage being' provided with a recess, an axle extending' upwardly inthe recess,

and an anti-friction wheel on the axle rotat able in the recess -torbearing' against the casing.

ln testimony whereof l' aihx my'sig'i'iature.

annnn J. Boonenois.

